[release-1.9] remove osx build from the CI

Remove the osx build which was always failing on this branch.
As it's an older branch, we won't be pushing out to anything
but RHEL, so osx isn't a concern here.

Signed-off-by: tomsweeneyredhat <tsweeney@redhat.com>

.cirrus.yml

@@ -74,33 +74,8 @@ doccheck_task:
       "${SKOPEO_PATH}/${SCRIPT_BASE}/runner.sh" build
       "${SKOPEO_PATH}/${SCRIPT_BASE}/runner.sh" doccheck
 
-osx_task:
-    # Run for regular PRs and those with [CI:BUILD] but not [CI:DOCS]
-    only_if: &not_docs_multiarch >-
-        $CIRRUS_CHANGE_TITLE !=~ '.*CI:DOCS.*' &&
-        $CIRRUS_CRON != 'multiarch'
-    depends_on:
-        - validate
-    macos_instance:
-        image: catalina-xcode
-    setup_script: |
-        # /usr/local/opt/go@1.18 will be populated by (brew install go@1.18) below
-        export PATH=$GOPATH/bin:/usr/local/opt/go@1.18/bin:$PATH
-        brew update
-        brew install gpgme go@1.18 go-md2man
-        go install golang.org/x/lint/golint@latest
-    test_script: |
-        export PATH=$GOPATH/bin:/usr/local/opt/go@1.18/bin:$PATH
-        go version
-        go env
-        make validate-local test-unit-local bin/skopeo
-        sudo make install
-        /usr/local/bin/skopeo -v
-
-
 cross_task:
     alias: cross
-    only_if: *not_docs_multiarch
     depends_on:
         - validate
     gce_instance: &standardvm
@@ -241,7 +216,6 @@ success_task:
     depends_on:
         - validate
         - doccheck
-        - osx
         - cross
         - test_skopeo
         - image_build